second class
US /ˌsek.ənd ˈklæs/
UK /ˌsek.ənd ˈklæs/

1.
of the next lower quality or rank after the first
:
•
He always travels second class on trains.
•
The hotel offers both first and second class accommodations.
2.
inferior in quality or importance
:
•
His work is often considered second class compared to his peers.
•
We won't accept anything second class for this project.
1.
the next lower quality or rank after the first
:
•
He sent the package by second class mail.
•
The train has a second class carriage.
1.
in a manner that is inferior in quality or importance
:
•
He was treated second class by the staff.
•
Don't let anyone make you feel second class.